Dawid Wysakowicz created FLINK-33255:
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Summary: Validate argument count during type inference
Key: FLINK-33255
URL: https://issues.apache.org/jira/browse/FLINK-33255
Project: Flink
Issue Type: Bug
Components: Table SQL / Planner
Reporter: Dawid Wysakowicz
Assignee: Dawid Wysakowicz
Fix For: 1.19.0
Currently we do not validate the argument count in
{{TypeInferenceOperandInference}} which results in bugs like e.g.
[FLINK-33248]. We do run the check already in {{TypeInferenceUtil}} when
running inference for Table API so we should do the same in
{{TypeInferenceOperandInference}} case.
We could expose {{TypeInferenceUtil#validateArgumentCount}} and call it. If the
check fails, we should not adapt {{operandTypes}}
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